赞皇大枣的群体遗传多样性评价Genetic diversity evaluation of Zizyphus jujuba cv. Zanhuangdazao
刘平;彭建营;彭士琪;周俊义;
摘要(Abstract)：
为了探明三倍体赞皇大枣的遗传基础,利用22个多态性引物对赞皇县及周边县区的50个赞皇大枣类型、26个酸枣类型、8个枣品种等3个群体进行了RAPD扩增,共扩增285个位点。遗传多样性分析表明:赞皇大枣群体的多态性位点百分率为58％,小于枣品种群体(66％)和酸枣群体(89％);赞皇大枣群体共扩增出205种带型,而酸枣群体扩增出416种带型;赞皇大枣群体内平均遗传距离为0．087,小于枣品种群体(0．181)和酸枣群体(0．254)。说明:赞皇大枣的遗传多样性小于枣品种群体,酸枣群体有较丰富的遗传背景。
关键词(KeyWords)： 枣;赞皇大枣;酸枣;RAPD;群体;遗传多样性
基金项目(Foundation): 河北省自然科学基金资助项目(300123)。
作者(Author): 刘平;彭建营;彭士琪;周俊义;
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DOI:
参考文献(References)：
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